With its sleek compact design, it provides easy access to your USB ports while plugged into your car cigarette outlet and the blue LED light indicator shows that your device is plugged in and charging. Charger provides 12Watt (2.4Amp) of power that can charge up (to two) smartphones at the same time or a tablet with a smartphone. The built-in smart IC chip technology prevents your device from overcurrent, overcharging and overheating. Use the included micro USB cable to charge your micro USB compatible device and your iPhone or iPod simultaneously (Apple cable not included). The dual USB ports are compatible to any USB ready devices.